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""" This module creates the TraceID message to be used as the
Ethernet payload of the PacketOut. This msg is important to
differentiate parallel traces.
"""
class TraceMsg(object):
""" This class will be used to create, retrieve and update the
payload message sent through the trace process
Basically the msg is a dictionary:
{"trace": {
"request_id": "number to identify this trace"
}
def __init__(self, r_id='0'):
self._request_id = None
self._instantiate_vars(r_id)
def _instantiate_vars(self, r_id):
""" Attributes in the TraceMsg are processed as
Getter and Setters.
Args:
r_id: request ID
self.request_id = r_id
@property
def request_id(self):
""" Getter: Request ID """
return self._request_id
@request_id.setter
def request_id(self, r_id):
""" Setter: Request ID """
try:
if isinstance(r_id, int):
self._request_id = r_id
else:
self._request_id = int(r_id)
except ValueError:
raise ValueError("Invalid ID provided: %s" % r_id)
kytos-ng /
sdntrace
